Home / 3,212.26-4,433.32-1,796.20

Finding the Fourth Proportional to 3,212.26, 4,433.32 and 1,796.20

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Solution

The fourth proportional to 3,212.26, 4,433.32 and 1,796.20 is: 2,478.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.26 : 4,433.32 = 1,796.20 : x
  2. Step 2: Convert to fraction form
    3,212.26/4,433.32 = 1,796.20/x
  3. Step 3: Cross multiply
    3,212.26x = 4,433.32 × 1,796.20
  4. Step 4: Simplify right side
    3,212.26x = 7,963,129.38
  5. Step 5: Solve for x
    x = 7,963,129.38/3,212.26
  6. Step 6: Final answer
    x = 2,478.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.